package com.atguigu.gulimall.product.Exception;

import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class gulimallException {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e){
        BindingResult result = e.getBindingResult();

            Map<String, String> map = new HashMap();
            result.getFieldErrors().forEach((item) -> {
                //获取错误信息提示
                String message = item.getDefaultMessage();
                //获取错误信息的名字
                String field = item.getField();
                map.put(field, message);
            });
            return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(), BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data", map);
    }

    /**
     * 全局所有异常
     */
    @ExceptionHandler(value = Throwable.class)
    public R Exception(Throwable throwable){
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(),BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }

}
